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-rw-r--r--Build/source/libs/gmp/gmp-6.0.0/mpz/set_f.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpz/set_f.c b/Build/source/libs/gmp/gmp-6.0.0/mpz/set_f.c
new file mode 100644
index 00000000000..4eb98198371
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpz/set_f.c
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+/* mpz_set_f (dest_integer, src_float) -- Assign DEST_INTEGER from SRC_FLOAT.
+
+Copyright 1996, 2001, 2012 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * the GNU General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+or both in parallel, as here.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+
+void
+mpz_set_f (mpz_ptr w, mpf_srcptr u)
+{
+ mp_ptr wp, up;
+ mp_size_t size;
+ mp_exp_t exp;
+
+ /* abs(u)<1 truncates to zero */
+ exp = EXP (u);
+ if (exp <= 0)
+ {
+ SIZ(w) = 0;
+ return;
+ }
+
+ wp = MPZ_REALLOC (w, exp);
+ up = PTR(u);
+
+ size = SIZ (u);
+ SIZ(w) = (size >= 0 ? exp : -exp);
+ size = ABS (size);
+
+ if (exp > size)
+ {
+ /* pad with low zeros to get a total "exp" many limbs */
+ mp_size_t zeros = exp - size;
+ MPN_ZERO (wp, zeros);
+ wp += zeros;
+ }
+ else
+ {
+ /* exp<=size, truncate to the high "exp" many limbs */
+ up += (size - exp);
+ size = exp;
+ }
+
+ MPN_COPY (wp, up, size);
+}